CN1662057A - Memorandum file creation and management method,meeting server and network meeting system - Google Patents
Memorandum file creation and management method,meeting server and network meeting system Download PDFInfo
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- CN1662057A CN1662057A CN2005100521160A CN200510052116A CN1662057A CN 1662057 A CN1662057 A CN 1662057A CN 2005100521160 A CN2005100521160 A CN 2005100521160A CN 200510052116 A CN200510052116 A CN 200510052116A CN 1662057 A CN1662057 A CN 1662057A
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/43—Querying
- G06F16/438—Presentation of query results
- G06F16/4387—Presentation of query results by the use of playlists
- G06F16/4393—Multimedia presentations, e.g. slide shows, multimedia albums
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/48—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/489—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using time information
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
A network conference system of a server/client system is configured in such a way that a conference server 100 and a plurality of conference terminals 140a-140n are connected via a network 130. In this system, a conference data storing unit 120 forms a real-time conference data file 123 and an index file 122 containing time information and header information during the progress of the conference. After the conference is completed, editing such as merging processing of sound streams of the data file 123 and image thinning processing are performed, a minutes file 124 is generated and the minutes file 124 is managed by the index file 122.
Description
The theme that comprises in the Japanese patent application that the disclosure relates on February 25th, 2004 to be submitted to 2004-050553 number is incorporated in wherein by reference and all at this.
Technical field
The present invention relates to memo file (minute file) creation method, memo file management method, Conference server and netmeeting.
Background technology
In electronic meeting system, preserve the description (description) (multi-medium data) of electronic meeting, make the back reproduce this meeting thus and be described as being possibility.
Yet the conferencing data of checking all preservations after meeting is inefficient.In JP-A-7-182365, described: create the memorandum that the description pass through the editing electronic meeting provides, and when creating memorandum, use memorandum creation supporting device.
In JP-A-10-294798, described: use speech recognition technology to come analysis meeting participant's voice messaging, and be converted into text message, and the memorandum that creates text automatically.
Summary of the invention
In JP-A-7-182365, memo data is separated into video information, voice messaging, text message and pictorial information is used for storage, but the amount of information of multi-medium data is big and file becomes huge.Therefore, huge recording areas necessitates.
In order to read memo data by network from remote location, it is huge that transmission quantity becomes, and playback apparatus is applied load, and system burden becomes heavy.
Although the support of memorandum creation supporting device is provided, can spend considerable workload and time for creating memorandum.
The open basis that is created as among the JP-A-10-294798 with the text memorandum.Therefore, the system of describing among the JP-A-10-294798 does not provide any solution at the problems referred to above (being huge preservation data and the problem that is difficult to transfer of data is arrived remote location) that occur about creating based on the memorandum of multimedia messages.
One object of the present invention is: the data volume that reduces the memorandum of multimedia messages effectively, alleviate burden to the remote location transmission, realize the automatic establishment of memo file and effective visit of arriving memo file, and the ease for use that improves netmeeting.
According to a first aspect of the invention, provide a kind of memo file creation method, having comprised: timestamp has been added in the conferencing data of the speech data, view data and the control command data that comprise the real-time conferencing that uses netmeeting and hold; Place data according to time series, to create the real-time conferencing data file; Interim this real-time conferencing data file of storage; After finishing real-time conferencing, read the real-time conferencing data file of this interim storage; With the participant's of real-time conferencing voice flow packing data is one section flow data; View data carries out image reduction (thinning-out) to the participant is handled; And the voice flow data, the reduction of process image that are provided are provided are handled view data and control command data afterwards, with the establishment memo file.
According to a second aspect of the invention, provide a kind of memo file management method, having comprised: timestamp has been added in the conferencing data of the speech data, view data and the control command data that comprise the real-time conferencing that uses netmeeting and hold; Place this data according to time series, to create the real-time conferencing data file; Interim this real-time conferencing data file of storage; (time-of-day) information, heading message and reference object (reference destination) information index file when establishment comprises day, the wherein said information connection that is relative to each other; After finishing real-time conferencing, read the real-time conferencing data file of interim storage; With the participant's of real-time conferencing voice flow packing data is one section flow data; Participant's view data is carried out image reduction (thinning-out) to be handled; View data and control command data after the voice flow data that compression is provided, the reduction of process image are handled are to create memo file; The memo file of storage creation; And the use index file is managed the visit to memo file.
According to a third aspect of the invention we, provide a kind of Conference server that uses in the server-client netmeeting, this Conference server comprises: data storage part; And playback controls parts.Wherein, this data storage part comprises: the real-time conferencing data file is created parts, be used for timestamp is added to the conferencing data of the speech data, view data and the control command data that comprise the real-time conferencing that uses netmeeting and hold, and place this data according to time series, to create the real-time conferencing data file; The index file creation parts are used for when creating the real-time conferencing data file, create to comprise date and time information, heading message and reference object information index file, the wherein said information connection that is relative to each other; And conferencing data editor parts, be used for after finishing real-time conferencing, reading the real-time conferencing data file of interim storage, with the participant's of real-time conferencing voice flow packing data is one section flow data, participant's view data is carried out the image reduction to be handled, and the voice flow data, the reduction of process image that are provided are provided are handled view data and control command data afterwards, with the establishment memo file.Wherein, the playback controls parts are in case receive the request of playback memo file from the conference terminal as client computer, just create header list based on the heading message in the index file, and header list sent to conference terminal, and, wherein, when the user of conference terminal specify specific title as the reference header list as a result the time, the playback controls parts by the reference key file read with the corresponding memo file of specific title in data, and the data that read are sent to conference terminal.
According to a forth aspect of the invention, provide a kind of netmeeting, having comprised: Conference server; And conference terminal, it is connected to Conference server by network, and as client computer, wherein, Conference server comprises data storage part and playback controls parts, wherein, data storage part comprises: the real-time conferencing data file is created parts, be used for timestamp is added to the conferencing data of the speech data, view data and the control command data that comprise the real-time conferencing that uses netmeeting and hold, place this data, to create the real-time conferencing data file according to time series; The index file creation parts are used for when creating the real-time conferencing data file, create to comprise date and time information, heading message and reference object information index file, the wherein said information connection that is relative to each other; And conferencing data editor parts, be used for after finishing real-time conferencing, reading the real-time conferencing data file of interim storage, with the participant's of real-time conferencing voice flow packing data is one section flow data, participant's view data is carried out the image reduction to be handled, and the voice flow data that provided of compression, view data after reduction is handled through image, and control command data, to create memo file, wherein, the playback controls parts are in case receive the request of playback memo file from conference terminal, just create header list based on the heading message in the index file, and header list sent to conference terminal, and, wherein, when the user of conference terminal specify specific title as the reference header list as a result the time, the playback controls parts by the reference key file read with the corresponding memo file of specific title in data, and the data that read are sent to conference terminal.
Description of drawings
By the detailed description of reference accompanying drawing to the preferred embodiments of the present invention, above purpose of the present invention and advantage will become more clear, wherein:
Fig. 1 is for describing the block diagram according to the summary of the recording operation of the feature configuration of the netmeeting of first embodiment of the invention and various files;
Fig. 2 is the figure of summary of operation that is described in the playback duration of memo file;
Fig. 3 is for describing the figure according to the characteristic manipulation in the netmeeting of first embodiment of the invention (title setting operation, memo file edit operation and memo file playback operation);
Fig. 4 is recorded in the operation in the index file and the figure of the corresponding relation between index file and the real-time conferencing data file for describing separator writing time (time chapters and sections), insert chapters and sections (insert automatically with record such as host and change and the title of the change of page changes) automatically and manually inserting chapters and sections (title that is provided with based on each participant's intention);
Fig. 5 is the form of description memo file 124 and the figure of the corresponding relation between index file and the memo file;
Fig. 6 is the block diagram that the customized configuration of the netmeeting (and parts of forming this system) according to second embodiment of the invention is shown;
Fig. 7 is illustrated in the Conference server of netmeeting shown in Figure 6, is used for time separator (time chapters and sections) is recorded in the sequential chart of the processing procedure of index file;
Fig. 8 is illustrated in the Conference server of netmeeting shown in Figure 6, and the title (inserting chapters and sections automatically) that is used for inserting automatically is recorded in the sequential chart of the processing procedure of index file;
Fig. 9 is illustrated in the Conference server of netmeeting shown in Figure 6, and the title (manually inserting chapters and sections) that is used for manually inserting is recorded in the sequential chart of the processing procedure of index file;
Figure 10 is illustrated in the Conference server of netmeeting shown in Figure 6, the flow chart of the detailed process of memo data file creation operation (the real-time conferencing data file being converted to the edit operation of memo data file); And
Figure 11 is illustrated in the netmeeting shown in Figure 6, is used for the flow chart of the operating process of the memo file that playback is preserved on conference terminal.
Embodiment
Referring now to accompanying drawing, wherein show the preferred embodiments of the present invention.
(first embodiment)
Fig. 1 is for describing the block diagram according to the summary of the recording operation of the feature configuration of the netmeeting of first embodiment of the invention and various files.Fig. 2 is the figure of summary of operation that is described in the playback duration of memo file.
As shown in Figure 1, the netmeeting according to first embodiment of the invention is to have by network 130 to be connected to the server and client machine system of a plurality of conference terminal 140a of Conference server 100 to 140n.
Conference data store parts 120 are temporarily saved as real-time conferencing data file 123 with the conferencing data (multi-medium data) of real-time conferencing, and the executive editor handles after meeting stops, be used for real-time conferencing data file 123 is converted to the memo file 124 that size of data reduces, and preserve this memo file 124.
Conference data store parts 120 are also created index file 122 in the session, so that access tickler file 124 becomes possibility effectively.
The meeting participant makes conference reservation on Conference server 100, and when reaching meeting start time, they visit Conference server 100 from conference terminal 140a to 140n, with conference participation, and to send and receive conferencing data from real-time conferencing processing unit 110.
The real-time conferencing data are sent to conference data store parts 120 at any time, and are stored as real-time conferencing data file 123 temporarily.Also when creating real-time conferencing data file 123, create and preserve index file 122.
Next will operation at the playback duration of memo file be discussed by reference Fig. 2.Here, the user who supposes conference terminal 140a wants this memo file of playback.
As shown in Figure 2, conference terminal 140a sends to playback controls parts 131 in the Conference server 100 with playback request.Playback controls parts 131 reference key files 122 are created header list, and this header list is sent to conference terminal 140a.
The header list that user's reference of conference terminal 140a is sent, and specify his or her expectation title.
Next, read with the corresponding time point of title on and afterwards real-time conferencing data file 123, and this document sent to conference terminal 140a to 140n, and on each conference terminal this conferencing data of playback.
Because with reference to index file 122, thus real-time conferencing data file 123 can be visited effectively, but and any desired part of this conferencing data of playback.Therefore, can realize effective use to the real-time conferencing data file of preserving.
Fig. 3 is the figure that is described in the characteristic manipulation (title setting operation, memo file edit operation and memo file playback operation) in the netmeeting of this embodiment.
At first, with the title setting operation of discussing during real-time conferencing (establishment of index file).
CP0 shown in the top of Fig. 3 is the time separator (time chapters and sections) that the predetermined space (for example, 10 seconds intervals) on time shaft is located to provide to CP14.
When the title that is provided with manual insertion (manually inserting chapters and sections), time separator (time chapters and sections) is used as reference.
Stage shows the operation during the real-time conferencing on Fig. 3.
As shown in the figure, screen switches to scene 2 from scene 1, arrives scene 3 again.Here, the host is A in scene 2, and changes into B in scene 3.
The fact of the page changes of host's change and reference documents needs by automatic record.Therefore, at moment t6 the automatic insertion chapters and sections ACP that indicates host's change is set.
Suppose that host A makes important statement in scene 2.For title (manually inserting chapters and sections) is set in important scene 2, participant B and C press the chapters and sections insertion button (step S1-1 and S1-2) that provides at moment t4 and t5 on their conference terminal (referring to Fig. 6) separately.
Yet when supressing chapters and sections insertion button, important scene 2 has become in the past.
Next, Conference server will time from moment t4 and t5 return M second (for example, 30 seconds) (step S2-1 and S2-2), and determine that this returns (t2 and t3) constantly.
If be provided with title (manually inserting chapters and sections) HCP2 and HCP3 on (t2 and t3), make that then before host A makes the scene 2 of important statement title being set becomes possibility in returning constantly on the time shaft.
Yet, make that in any desired moment of hardware handles title can be set is (the hardware load is heavier) that comparatively bothers.If a large amount of participants have sent title suddenly in slightly different timing and inserted request, then setting and title insert the as many title of number of request, and from this aspect, bear also heavier; It also is inefficient.
Therefore, preferably, on time shaft, provide time separator (time chapters and sections) CP0 to CP14 with predetermined time interval in advance, and, when title insertion request occurring, the moment is returned the scheduled time (for example, 30 seconds), and title is arranged in the part of the time separator (time chapters and sections) before returning constantly near this.
That is to say, in Fig. 3, constantly further from returning (step S3-1, S3-2), and locate to be provided with title (manually inserting chapters and sections) (step S4) in the moment of time separator (time chapters and sections) CP4 (moment t1) by being returned the determined moment of preset time (t2, t3 constantly) moment.
Therefore, insert request, then title can be placed on the time point (constantly) together if a plurality of participant makes title.
Owing in system, determine to have inserted time separator (time chapters and sections), so time separator (time chapters and sections) is provided with reference as title, has also alleviated the hardware load in title is set thus with predetermined time interval.
Title (setup heading) (manually inserting chapters and sections) HCP1 (HCP2, HCP3) will be set, insert chapters and sections (automatically insert with record such as host and change and the chapters and sections of the change of page changes) ACP and time separator (time chapters and sections) CP0 automatically and be recorded in the index file 122 of Conference server 100 to CP14.
Show the editor of conferencing data and the summary of squeeze operation in the interstage of Fig. 3.
Because the data volume of real-time conferencing data file (multi-medium data) 123 becomes huge, so, reduce data volume with establishment memo file 124, and preserve this memo file 124.
Attentiveness concentrates on the following fact, if promptly there is host's voice messaging, so, if there is no the moving image of participant's face then can fully understand the meeting description.For each participant's image, only preserve important scenes image (image when the host begins to preside over and the image when changing, as change constantly the host before and image afterwards), and reduce other image.
In Fig. 3, at moment t6, the host changes into B from A, and, preserve before this moment thus and afterwards image V1 and V2.
For the motion of pen input (pen input) and cursor, preserve and be used for controlling the control command information (M1 of Fig. 3) of this motion, and a moving image of not preserving etc.If preserve the control command information of having added timestamp according to time series, then the track of pen etc. can be reproduced in the back, and can not go wrong thus.
For speech data, participant's voice flow data are merged into one section stream and preservation.In Fig. 3, voice flow data B1, B2, the B3 of voice flow data A1, A2, A3 and the participant B of participant A merged, to create one section flow data ST (A1, B1, A2, B2, A3, B3).
Merge processing although carried out this voice,, if added participant's timestamp information and identification information, then each user's voice stream can be reproduced in the back, and can not go wrong thus.
Passed through reduction data (editing data) AD that view data (V1, V2), the voice flow data (ST) that provide and command information (M1) afterwards becomes editor has been provided.
Because carried out this editing and processing, thus the data volume of memo file can significantly be reduced, and can alleviate related burden in communication and the playback.
For the executive editor handles, record editorial management information 101 is so that the corresponding relation between clear real-time conferencing data (initial data) and the editing data (AD).
Use predetermined archives storage (archiver) to compress editing data (AD), creating memo file 145, and memo file 145 is kept in the memorandum holder 143.
Automatically the establishment of the memo file of operation executive editor like this and compression is so that realize being used to create the time of memo file and the saving of workload.
Next, with the operation of discussing at the playback duration of memo file.
The following stage of Fig. 3 shows the summary of the playback operation of memo file.
When with the request of playback memo file 145 from a conference terminal (140a is to 140n) when sending to Conference server 100, the heading message (except the time chapters and sections) that the playback controls parts 131 of Conference server 100 extract in the index file 122, create header list, and header list is turned back to the conference terminal that sends playback request.
The user of conference terminal wants the title (step S5) of the information of playback with reference to header list and appointment.Here, suppose that the user has specified title (manually the inserting chapters and sections) HCP1 of manual insertion.
The playback controls parts 131 reference key files 122 of Conference server 100 (as required, also have editorial management information 101) (step S6), access tickler file 145 (step S7), read and the corresponding part memo data of title specified, and the memo data that reads is sent to the conference terminal (140a among Fig. 1) (step S8) that sends playback request.
Playback memo file (step S9) on conference terminal.As rest image and playback host's image.
Therefore, in the netmeeting of this embodiment, if a participant is keeping the sensation of a scene outbalance during real-time conferencing, then this participant sends to Conference server with the manual insertion request of title from his or her conference terminal, can title (manually inserting chapters and sections) be set reasonable time point (being the moment before scene occurs) thus.
Use index file to manage the heading message that is provided with thus.Heading message is used the composition notebook memorandum basically.
In the netmeeting of this embodiment, the real-time conferencing data file is converted to memo file, to reduce size of data.Therefore, preservation, transmission and playback of conferencing data become easy.
The user who wants the playback memo file is with reference to header list and specify specific title, but playback and the corresponding part memo file of specific title thus.Therefore, realized very effective and level and smooth playback.
Fig. 4 is recorded in the operation in the index file and the figure of the corresponding relation between index file and the real-time conferencing data file for describing time separator (time chapters and sections), insert chapters and sections (insert automatically with record such as host and change and the title of the change of page changes) automatically and manually inserting chapters and sections (title that is provided with based on each participant's intention).
As shown in the upper part of Fig. 4, time separator (time chapters and sections) CP26 is set to CP29 with 10 seconds intervals.CP26 is arranged on meeting 10 minutes and 20 seconds after beginning, and with CP27 to CP29 be arranged on as shown in the figure 10 seconds at interval on.
Automatic insertion chapters and sections ACP1 is set, so that the record host changes on the time point of 10 fen 26 second time beginning since meeting to have passed through.Automatic insertion chapters and sections ACP2 is set, to write down page changes beginning since meeting to have passed through on the time point of 10 fen 47 second time.
On participant A 11 minutes and 00 second after meeting begins (moment of timer chapters and sections CP30) manual insertion chapters and sections are set.
The content of index file 122 has been shown in the bottom left section of Fig. 4.
As shown in the figure, the form that is relative to each other with them of index file 122 come record number, constantly, attribute (event description) and reference object information (for example, indicating the information of the byte number that begins to count from the top of real-time conferencing data file 123).
For separator writing time (time chapters and sections), the numbering of separator input time (time chapters and sections) in " attribute " hurdle is as " CP26 ".
In order to write down automatic insertion chapters and sections (ACP1, ACP2), the reason of inserting chapters and sections is automatically inserted in input in " attribute " hurdle, as " host's change " or " page changes ".
In order to write down manual insertion chapters and sections (HCP1), the user's that input request chapters and sections insert in " attribute " hurdle title (being " participant A ") here.
Shown in the lower right-most portion of Fig. 4, real-time conferencing data file 123 is the file of this form, wherein numbering, constantly, describe and conferencing data is relative to each other.
" description " hurdle indicates the type of preservation information.The voice messaging that " A) voice " indicates participant A is described here." A) camera " indicates the camera images information of participant A." A) control command " indicate from the control command information of the conference terminal transmission of participant A.Equally, the voice messaging that " B) voice " indicates participant B is described, or the like.
Therefore, in real-time conferencing data file 123, place data according to time series according to timestamp, and according to type and to timestamp the time engrave generation each bar information classify and record.
Because with reference to index file 122, so can visit real-time conferencing data file 123 effectively.
Yet real-time conferencing data file 123 is for multi-medium data and data volume become huge, and thus, real-time conferencing data file 123 is unsuitable for preserving, sending or playback.
Next, as shown in Figure 5, real-time conferencing data file 123 is converted to memo file 124, and preserves this memo file 124.
Fig. 5 is the form of description memo file 124 and the figure of the corresponding relation between index file and the memo file.
Shown in the right part of Fig. 5, in memo file 124, merge and write down the voice messaging of participant A and B.In Fig. 5, the speech data of merging is expressed as " A+B) voice ".
In memo file 124, only when camera images changes, just preserve before the change and image afterwards, and reduce other camera images.
That is to say that host's change (host is from B to A) takes place at the time point that begins to have passed through 10 fen 26 second time since meeting (" numbering " K+1 of index file 122).
Therefore, in memo file 124, only be kept at take place the host change before and camera images afterwards (promptly, " B) camera " and " A) camera " with " numbering " K+5 and K+6), and At All Other Times image of reduction (yet, preserved image at the participant B of the starting point that preside over to begin).
Preserve all control command information.
By described with reference to Fig. 3, the predetermined archives storage of use compresses the data of preservation, to reduce data volume as the front.
Reference key file 122 (as required, also have editorial management information 101), access tickler file 124 effectively thus.
Therefore, according to embodiment, can reduce the preservation data volume of memo file effectively, and use the most of heading message in the index file, thus, making effectively, the access tickler file becomes possibility.Therefore, can reasonably preserve memo file, and make smoothly and reference and playback memo file become possibility very effectively.
(second embodiment)
Fig. 6 is the block diagram of customized configuration (and parts of forming this system) that netmeeting according to a second embodiment of the present invention is shown.
In Fig. 6, represent and the part that before had been equal to by described those parts of reference Fig. 1 and 2 with identical Reference numeral.
Shown in the following part of Fig. 6, conference terminal 140c comprises that communication component 142, video/speech processes parts 144, meeting processing unit 146, input/output interface 148, chapters and sections insert button 150, monitor 152 and microphone 154.In addition, although do not illustrate in the drawings, also provide the mouse and being used to of operating point cursor to pick up the camera of participant's image.(140a, configuration 140b) is identical with the configuration of conference terminal 140c for another conference terminal.
Pass through network 130 meeting terminal 140a is connected to Conference server 100 to 140c.
The major function of the parts of Conference server 100 is as follows:
The data-interface 111 of real-time conferencing processing unit 110 sends to the real-time conferencing data file with real-time conferencing data (multi-medium data) and creates parts 114.
When the chapters and sections of pushing a conference terminal (140a is to 140n) insert button 150 and send title (manually inserting chapters and sections) when request is set, chapters and sections insert request detection parts 113 it are detected.
The data-interface 115 that the real-time conferencing data file is created parts 114 receives the real-time conferencing data that send from real-time conferencing processing unit 110, timestamp adds parts 116 timestamp (date and time information) is added in the conferencing data, and recording-member 117 is recorded in the meeting data in the interim memory unit (dish) 128.
Chapters and sections management component 118 rise time separator (time chapters and sections), the timing that is provided with of inserting title (inserting chapters and sections automatically) and title (manually inserting chapters and sections) manually is set automatically, and indication index file creation parts 223 are provided with each chapters and sections.
Index file information management component 125 in the index file creation parts 223 is managed each bar information that will be recorded in the index file 122 with uniform way, and creates index file.Time Returning part operation is " time is returned processing " by describing with reference to Fig. 3 before.Memory 127 interim each bar information that keep.
Index file 122 shown in Fig. 6 comprises numbering, (timestamp), attribute information, additional information and pointer constantly.
Input is previous in " attribute information " hurdle describes the reason that changes by the meeting of describing with reference to Figure 4 and 5 such as " host's change " or " page changes ".For manual insertion title (manually inserting chapters and sections) is set, " participant's the title " that title inserts request at first sent in input.
In " additional information " hurdle, import the information of following " attribute information ".For example, if " attribute information " is " host's change ", the title of the new host after then input changes.For manual insertion title (manually inserting chapters and sections) being set, input " user ID sign " in " attribute information " hurdle.
When same scene having been made a plurality of titles when request is set, user ID is masked as all participants that are used to make to the request of sending and discerns and become possible sign.That is to say, distribute a flag bit for each participant.For example,, indicate that then figure place is 3, and be set to " 1 ", and other position is set to " 0 " with sending the corresponding position of the requesting users that manual insertion title (manually inserting chapters and sections) is set if exist 3 participant A to C.Therefore, can easily write down the user who wants to be provided with manual insertion title (manually inserting chapters and sections).
" pointer " is for indicating the information with the memory address of the corresponding real-time conferencing data of each chapters and sections.That is to say that it is the information that indicates by from the specified position of the byte number of the top counting of real-time conferencing data file 123.Need two pointers, i.e. video information pointer and voice messaging pointer.
When meeting adjourned, playback controls parts 131 read the real-time conferencing data file 123 that is stored in the interim memory unit 128, and gave editor parts 133 with the file transfers that reads.
Editor's parts 133 are speech data and view data with the data separating in the real-time conferencing data file 123 at first.
For voice messaging, generate each participant's speech data flow data, and voice merge processing unit 135 and subsequently participant's speech data flow data are merged into one piece of data stream.
For image information, 137 reductions of image reduction processing unit do not need the image preserved.
139 pairs of speech datas of multiplexing components and view data are carried out multiplexed, and as required a plurality of files are packaged as one, and compression member 141 uses predetermined archives storage to come packed data.Thereby, created memo file 124.
After meeting adjourned, if sent the request of the memo file 124 that playback stores from any conference terminal (140a is to 140n), then playback controls parts 131 are at first indicated the chapters and sections (automatically and manually insert chapters and sections) of search except time separator (time chapters and sections) in search parts 129 indexed files 122, extract date and time information, attribute information and additional information, and create header list.
Header list is sent to the conference terminal that sends the conferencing data playback request (140a any in the 140n) by communication component 102.
Header list is presented on the monitor 152 of conference terminal (140a is to 140n).
If the user of conference terminal has specified specific title, then will send to the playback controls parts 131 of Conference server 100 with this title information corresponding.
Playback controls parts 131 are delivered to search parts 129 with specific heading message.
Pointer (link) in the search parts 129 reference key files 122 (as required, also has editorial management information 101), obtain the visit information that indicates which part of wanting access tickler file 124, and the visit information that obtains is delivered to playback controls parts 131.
Playback controls parts 131 visit memo file 124 based on visit information, read and the corresponding real-time conferencing data of specific title, and the real-time conferencing data are sent to conference terminal (140a is to 140n).
Thereby, on the monitor 152 of conference terminal, reproduced the meeting of any desired and described.
Therefore, can use index file to visit the memo file 124 of preservation efficiently, and, effective use of this document can be promoted.
But the corresponding part of the title of playback and any desired only, and because data edited and compressed, so reduced size of data, thereby alleviated data communication and the related system burden of playback.
Next, the specific operation process of the netmeeting of Fig. 6 will be discussed by reference Fig. 7 to 11.
Fig. 7 is illustrated in the Conference server of netmeeting shown in Figure 6, is used for time separator (time chapters and sections) is recorded in the sequential chart of the processing procedure of index file.
Send conferencing data (S10) from each conference terminal (140a is to 140c) at any time.At any time the meeting data are sent to the real-time conferencing data file from real-time conferencing processing unit 110 and create parts 114 (S11).
The real-time conferencing storage that will have timestamp is in interim memory unit 128.
On the other hand, the chapters and sections management component 118 of real-time conferencing data file establishment parts 114 determines whether and time separator (time chapters and sections) will be recorded in (S12) in the index file 122.
That is to say, with 10 seconds intervals time separator (time chapters and sections) is set from meeting start time, and thus, chapters and sections management component 118 is with reference to the date and time information from clock unit 119 outputs, and whether definite time separator (time chapters and sections) is provided with and constantly arrives.
When time separator (time chapters and sections) is provided with when constantly arriving, the chapters and sections management component 118 that the real-time conferencing data file is created parts 114 sends the time chapters and sections request (S13) is set.
The index file information management component 125 of index file creation parts 223 adds new " timestamp " (from meeting deviant of the zero hour), " attribute information " and " pointer " the index file 122 to, to upgrade index file 122 (S14).
Index file information management component 125 is provided with response (comprise the result is set, indicate the timestamp information that is provided with constantly etc.) with the time chapters and sections and sends to the chapters and sections management component 118 (S15) that the real-time conferencing data file is created parts 114.
The real-time conferencing data file is created the chapters and sections management component 118 interim retention times of parts 114 and is stabbed information, as up-to-date timestamp information (S16).
Next, repeat similar operations (S17 and S18).
Fig. 8 is illustrated in the Conference server of netmeeting shown in Figure 6, is used for inserting the sequential chart that title (inserting chapters and sections automatically) is recorded in the processing procedure of index file automatically.
If the incident (S20) that midway participates in such as host's change, system pattern change, page changes, file distribution or speaker has taken place, the order that then will indicate this incident sends to the real-time conferencing processing unit 110 (S21) of Conference server 100 from conference terminal (140a is to 140c), and the description that will order subsequently sends to the real-time conferencing data file and creates parts 114 (S22).
Next, the real-time conferencing data file chapters and sections management component 118 of creating parts 114 notice (comprising timestamp, event description and additional information) that is provided with that will insert chapters and sections automatically sends to index file creation parts 223 (S23).
The index file information management component 125 of index file creation parts 223 is with new " timestamp " (from meeting deviant of the zero hour), " attribute information ", " additional information ", and " pointer " add in the index file 122, to upgrade index file 122 (S24).
Next, check whether the current command is the order (S25) that participates in that indicates the speaker midway, and check whether the participant does not register (S26) in user list file 121 midway.If the participant is unregistered midway, then participant's identifier number (ID) adds (S27) in the user list file 121 to midway.
Fig. 9 is illustrated in the Conference server of netmeeting shown in Figure 6, and the title (manually inserting chapters and sections) that is used for manually inserting is recorded in the sequential chart of the processing procedure of index file.
If participant's (for example, chairman) determines that certain scene is the important scenes of session, then this participant presses chapters and sections and inserts button 150.When pressing chapters and sections insertion button 150, the request that manual insertion title (manually inserting chapters and sections) is set sends to Conference server 100 (S30) from conference terminal (140a is to 140c).
The notice that request occurs is sent to the real-time conferencing data file from real-time conferencing processing unit 110 create parts 114 (S31).
The chapters and sections management component 118 indication index file creation parts 223 that the real-time conferencing data file is created parts 114 are provided with manual insertion title (manually inserting chapters and sections) (S32).
The time Returning part 126 of index file creation parts 223 returns to fix time (for example, 30 seconds) with the moment on the time shaft and (S33), that is to say, carries out the processing that deducts preset time from current date and time information.
Index file information management component 125 is determined adjacent time separator (time chapters and sections) before the time point that constantly returns, and thereby definite be provided with (S34) constantly that manually inserts title (manually inserting chapters and sections).
At this moment, index file information management component 125 reference key files 122.
Subsequently, obtain manual insertion title (manually inserting chapters and sections) be provided with constantly information (timestamp and pointer) (S35).
Subsequently, check that whether being provided with another on the time point that manual insertion title (manually inserting chapters and sections) will be set manually inserts chapters and sections (S36).The reason of making this inspection is, if a plurality of participant sends title in slightly different timing request is set, and then can present this situation.
Manually insert title (manually inserting chapters and sections) if be provided with another, then it means that a plurality of users have sent title and inserted request.In this case, be recorded in the user ID sign in " additional information " hurdle of index file 122 each respective user the position from " 0 " change into " 1 " (thereby, added relevant title the information that the requestor is whom be set), and, rewrite index file 122 and be used for upgrading (S38).
If for not, then " event description " in the index file 122 is set to " manually inserting " in the check result of S36, and identification sends title requesting users is set, and " 1 " is changed into (S37) from " 0 " in user's mark and label position.
Therefore, upgraded index file 122.
Describe the configuration, operation and the process that are used for upgrading at any time index file, but can make various modification of the present invention.
For example, the meeting client applications can be vertical application, or can be the application program of moving on the WEB browser.
The real-time conferencing data file can be single file, maybe can comprise the division file.Yet, when file is divided into a plurality of file, might be easily and read and write a file apace.
Be used for storing the real-time conferencing section data and can be present in the server different with Conference server.Yet in this case, communicating control information necessitates between Conference server and different server.
About the form of index file, can forbid writing down date and time information (timestamp), to reduce data volume, maybe can add the side information of event description, be used to make and visit the real-time conferencing data file more accurately and become possibility.Can adopt to index file and give the meeting technology that distinctive identifier number is used to manage.
For the meeting participant that manual insertion title (manually inserting chapters and sections) will be set, also can press the number of times etc. that chapters and sections insert button, and be adjusted on the time shaft the amount of constantly returning of returning in response to pressing time, time per unit that chapters and sections insert button.In this case, further improved the ease for use of system.
Next, will the operation that the real-time conferencing data file is converted to the memo data file be discussed by Figure 10.
Figure 10 is the flow chart that the specific operation process of memo data file creation operation (the real-time conferencing data file being converted to the operation of memo data file) is shown.
When meeting adjourned, the meeting end notification is sent to the real-time conferencing processing unit 110 (S60) of Conference server 100 from a conference terminal (140a is to 140n).
The state of meeting terminal (client applications) is set in the memorandum establishment.This state last till always from Conference server 100 receive memorandum finish dealing with the notice till.
Equally, the meeting end notification is sent to playback controls parts 131 (S61) from real-time conferencing processing unit 110.
Playback controls parts 131 read the real-time conferencing data file 123 that is stored in the interim memory unit 128, and the file that reads is sent to editor's parts 133.
Editor's parts 133 provide memorandum and create function.Editor's parts 133 at first detect speech data (S63), and separate speech data (S64).
Next, provide the memorandum processing capacity, and voice merge the merging processing that processing unit 135 is carried out the voice flow data.It is as follows to merge the detailed process of handling: when speech data is encoded, carry out decoding processing.Next, based on the timestamp information (serial number information) of user ID information (client applications by each conference terminal provides) and speech data and create each participant's speech data flow data.Next, participant's audio data stream is merged into one section speech data flow data.
Next, preserve user list file (S66).
Next, (S67) handled in the reduction of image reduction processing unit 137 carries out image files.At this moment, image reduction processing unit 137 reference key files 122, obtain the timestamp information (date and time information) of any other chapters and sections except time chapters and sections (promptly the title that inserts automatically is provided with the moment, the manual title that inserts is provided with constantly), only be kept at timestamp constantly view data constantly or before timestamp and afterwards, and reduce any other view data.
Next, will be multiplexed to through reducing on the view data after handling (S68) through the speech data that merges after handling.
Next, provide the memorandum compression function.For example, as the archives storage that is used for memorandum compression, use the tape file storehouse memorizer that comprises among the Linux (tape archiver, tar) and bzip2.
The condition of the archives storage that uses is as follows: also can use this archives storage by the OS that adopts in Conference server 100; Compressed file can be separated shelves (unarchive) in the future; The permeability of the home and overseas of this archives storage (penetration rate) does not have deviation; Lots of manufacturers support this archives storage; Or the like.
The archives storage of tape file storehouse memorizer (tar) for having the function that a plurality of files are packed, but do not have compression function.Therefore, a plurality of files are packaged as one, and compress (S69) by bzip2 subsequently by tar.Can use archives storage gzip to compress a plurality of files simultaneously.
The memo file of creating thus 124 is kept in the memorandum memory 143.
After having created memo file 124, being stored in real-time conferencing data file 123 in the interim memory unit 128 becomes unnecessaryly, and thus it is wiped, and is used to discharge the memory block of interim memory unit 128.
In case finished the memorandum establishment, editor's parts 133 are just finished dealing with memorandum to notify and are sent to playback controls parts 131 (S70).Equally, with memorandum finish dealing with the notice send to real-time conferencing processing unit 110 (S71) from playback controls parts 131, and with memorandum finish dealing with the notice send to conference terminal (140a is to 140c) (S72) from real-time conferencing processing unit 110.
Thereby, stopped the state " memorandum create in " in the client applications of conference terminal (140a is to 140c).
Next, discussion is used for the operating process of the memo file that playback preserves.
Figure 11 is illustrated in the netmeeting shown in Figure 6, is used for the flow chart of the operating process of the memo file that playback is preserved on conference terminal.
The user of a conference terminal (140a is to 140c) goes up display menu (S40) and selects " meeting playback " (S41) at monitor 152 (referring to Fig. 6).
The meeting terminal is connected to Conference server 100 (S42) with the meeting playback mode.
The list of conference that the playback controls parts 131 of Conference server 100 at first can be play sends to conference terminal (S43).
Meeting tabulation is presented on the monitor 152 on the conference terminal (S44), and, when the user has selected to want the meeting of playback (S45), the identification information of selected meeting is sent to Conference server 100 (S46).
In case receive identification information, the playback controls parts 131 of Conference server 100 are just indicated in search parts 129 indexed files 122 and are searched for necessary heading message (promptly, automatic insertion title (inserting chapters and sections automatically) except the time chapters and sections and the manual information of inserting title (manually inserting chapters and sections)), the tabulation of information is found in establishment, and the tabulation of title is sent to conference terminal (S47).
The user is presented at (S47) on the monitor 152 with header list, and selects a title (S48) from header list.
Next, with the meeting title, want the title (chapters and sections) of playback and playback command to send to Conference server 100 (S49) from conference terminal.
Pointer (link information) in the playback controls parts 131 reference key files 122 of Conference server 100 (as required, also with reference to editorial management information 101), search is kept at the memo file 124 in the memorandum memory 143, and reads the counterpart (S50) of this memo data.
Next, the memo data (conferencing data) that reads is sent to conference terminal (S51).
Playback and the corresponding memo file of any desired title (S52) on conference terminal.
Therefore, generate most of index file, thus, may easily visit the memo file of being preserved, and promoted effective use of memo data.
Any time in during the meeting process is upgraded index file, and the header list that extracts from index file is used as memorandum, thereby can realize saving time and the workload that is used to create memorandum.
Can make the configuration of playback real-time conferencing data and the various modifications of operation.
For example, in Figure 11, at first send list of conference, and next send header list, but also can send out simultaneously tabulation described.
Can create header list by the title that extracts only relevant title or only be provided with by particular participant with particular event.
If a plurality of participants are intended for Same Scene title (chapters and sections) is set, think that then the importance of this scene is higher.Therefore, can only extract and satisfy the title that the number of users want to be provided with title has surpassed the condition of predetermined threshold value, create header list.
For memo file transmission technology from Conference server to the meeting terminal, can adopt operation from Conference server burst (burst) send the memo file data and according to timestamp on the meeting client computer technology of playback of conferencing.
Also may during the playback memo file, on conference terminal, show header list once more and specify new meeting playback starting point.In doing so, can be only on conference terminal the replaying user part wanting to watch (user wants the part of the title watched) one by one, and realized effective playback.
As mentioned above, according to embodiment, editor's real-time conferencing data (multi-medium data) with the establishment memo file, and are preserved memo file, thereby can significantly be reduced the preservation data volume of file.Thereby, can alleviate the related burden of data communication and playback.Automatically the establishment of editor's memo file has been carried out in operation thus, thereby can realize being used to create the time of memo file and the saving of workload.
Index file allows the effective visit to memo file, thereby can strengthen the service efficiency of memo file.The tabulation that is contained in the heading message in the index file is used as (text message) memorandum basically, thereby can realize being used to create the time of memorandum and the saving of workload.Can visit necessary data apace by specifying any desired title simply, in addition,, send and the related burden of playback thereby can significantly alleviate along with data have been reduced the size of data of reading of data by editor.
Make manual insertion title be set to possibility, be contained in heading message in the index file thereby also can replenish (enrich).Use this heading message, make effective access tickler file become possibility thus.
In netmeeting according to an embodiment of the invention, can reasonably preserve memo file, and can be smoothly and the utmost point reference and playback memo file efficiently.Therefore, improved the ease for use of system.
Therefore, according to embodiments of the invention, can reduce the data volume of the memorandum of multimedia messages effectively, also can alleviate the burden that sends to remote location, the automatic establishment of memo file can be realized and to effective visit of memo file, and the ease for use of netmeeting can be improved.
Although illustrate and described the present invention by the reference specific preferred embodiment, find out that from the instruction here various changes and modification are conspicuous for a person skilled in the art.Obviously, this change and modification are considered to be in marrow of the present invention defined in the appended claims, scope and the intention.
Claims (5)
1, a kind of memo file creation method comprises:
Timestamp is added in the conferencing data of the speech data, view data and the control command data that comprise the real-time conferencing that uses netmeeting and hold;
Place this data according to time series, to create the real-time conferencing data file;
Interim this real-time conferencing data file of storage;
After finishing real-time conferencing, read the real-time conferencing data file of this interim storage;
With the participant's of real-time conferencing voice flow packing data is one section flow data;
Participant's view data is carried out the image reduction to be handled; And
View data and control command data after the voice flow data that compression is provided, the reduction of process image are handled are to create memo file.
2, a kind of memo file management method comprises:
Timestamp is added in the conferencing data of the speech data, view data and the control command data that comprise the real-time conferencing that uses netmeeting and hold;
Place this data according to time series, to create the real-time conferencing data file;
Interim this real-time conferencing data file of storage;
Establishment comprises date and time information associated with each other, heading message and reference object information index file;
After finishing real-time conferencing, read the real-time conferencing data file of this interim storage;
With the participant's of real-time conferencing voice flow packing data is one section flow data;
Participant's view data is carried out the image reduction to be handled;
View data and control command data after the voice flow data that compression is provided, the reduction of process image are handled are to create memo file;
The memo file that storage is created; And
The use index file is managed the visit to memo file.
3, memo file management method as claimed in claim 2, wherein, second heading message that comprises first heading message that automatic insertion describe to change with the record meeting and manually insert of the heading message in the index file based on each participant's of real-time conferencing intention.
4, a kind of Conference server that in the server-client netmeeting, uses, this Conference server comprises:
Data storage part; And
The playback controls parts,
Wherein, this data storage part comprises:
The real-time conferencing data file is created parts, be used for timestamp is added to the conferencing data of the speech data, view data and the control command data that comprise the real-time conferencing that uses netmeeting and hold, and place this data according to time series, to create the real-time conferencing data file;
The index file creation parts are used for when creating the real-time conferencing data file, create to comprise date and time information, heading message and reference object information index file, and wherein said information is associated with each other; And
Conferencing data editor parts, be used for after finishing real-time conferencing, reading the real-time conferencing data file of interim storage, with the participant's of real-time conferencing voice flow packing data is one section flow data, participant's view data is carried out the image reduction to be handled, and view data and control command data afterwards handled in voice flow data, the reduction of process image that compression is provided, to create memo file
Wherein, in a single day these playback controls parts receive the request of playback memo file from the conference terminal as client computer, and just create header list, and this header list is sent to conference terminal based on the heading message in the index file, and
Wherein, when the user of conference terminal specify specific title as the reference header list as a result the time, the playback controls parts by the reference key file read with the corresponding memo file of specific title in data, and the data that read are sent to conference terminal.
5, a kind of netmeeting comprises:
Conference server; And
Conference terminal, it is connected to Conference server by network, and as client computer,
Wherein, Conference server comprises data storage part and playback controls parts,
Wherein, this data storage part comprises:
The real-time conferencing data file is created parts, be used for timestamp is added to the conferencing data of the speech data, view data and the control command data that comprise the real-time conferencing that uses netmeeting and hold, and place this data according to time series, to create the real-time conferencing data file;
The index file creation parts are used for when creating the real-time conferencing data file, create to comprise date and time information, heading message and reference object information index file, the wherein said information connection that is relative to each other; And
Conferencing data editor parts, be used for after finishing real-time conferencing, reading the real-time conferencing data file of interim storage, with the participant's of real-time conferencing voice flow packing data is one section flow data, participant's view data is carried out the image reduction to be handled, and view data and control command data afterwards handled in voice flow data, the reduction of process image that compression is provided, to create memo file
Wherein, in a single day these playback controls parts receive the request of playback memo file from conference terminal, and just create header list, and this header list is sent to conference terminal based on the heading message in the index file, and
Wherein, when the user of conference terminal specify specific title as the reference header list as a result the time, these playback controls parts by the reference key file read with the corresponding memo file of specific title in data, and the data that read are sent to conference terminal.
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Also Published As
| Publication number | Publication date |
|---|---|
| US7548951B2 (en) | 2009-06-16 |
| JP4551668B2 (en) | 2010-09-29 |
| US20050228861A1 (en) | 2005-10-13 |
| JP2005244524A (en) | 2005-09-08 |
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